;; This file contains definitions of images that crudely resemble the ten
;; decimal digits. They are named zero-bb through nine-bb. These are presumed
;; to exist by one of the review problems in chapter 2 of Concrete
;; Abstractions: An Introduction to Computer Science Using Scheme, by
;; Max Hailperin, Barbara Kaiser, and Karl Knight.
;;
;; The design of these digits is patterned on seven-segment LED displays.
;; You view a digit eight as consisting of seven segments:
;;
;; ***